Tone dialing - ctflearn.com

2024-12-27

Author: Aaron 'theHastyOne' Hasty

Tone dialing on CTFlearn

the audio file is DTFM encoding.

Using https://dtmf.netlify.app/ we get

67847010810197110123678289808479718265807289125

Now break the numbers into the correct groups and decode from hex.

CTFlean{CRYPTOGRAPHY}